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We have looked at solutions that are purely based within the teleworker's domain, but we are also taking the view that some organizations of the larger variety may wish to impose server-based network and system security solutions on their remote users.

Based on a Toshiba Magnia SG20 solution developer kit, this unit runs a special version of Linux created by Astaro. It includes a firewall, VPN, DHCP server, traffic management and content filter. The latter includes web blocking and anti-spam.
The firewall uses stateful packet inspection and includes proxies for HTTP, HTTPS, SMTP, POP3, DNS, IDENT and SOCKS. It has user authentication and offers protection from the most common forms of DoS attacks. Of course, it provides network address translation. In addition it detects port scanning.

This next solution is ideal for publishers and media houses that rely on Macintosh computers for their production activities. Intego Personal Backup X allows the user to back up their critical files, clone volumes and synchronize files between two volumes.

Old hand BorderWare has decided to focus on one particular area of network security - email. Whereas most companies are happy enough to bundle email in with the rest of its internet traffic and allow the firewall to handle all of it, BorderWare's MXtreme MX-200 appliance specifically focuses on the problems of email traffic.

Either as a closed environment or as a service, Endeavors Technology's Magi Enterprise is a peer-to-peer security solution ideal for end users who have little or no experience with installing security solutions, but who are charged with telecommuting on a regular basis. From the administrator's viewpoint, removing any end-user problems can make the whole job of securing the data flow far easier.

In the past we have looked at pcAnywhere, which has been a consistent runner in past telecommuting group tests. This time around Symantec has supplied its Client Security.

If anyone was under the illusion that data storage was boring, think again. The new technology engaged in protecting your critical data takes a fresh and enthusiastic approach to data security - ensuring that what you deem sensitive, value or trusted, is also worthy of iron clad protection within your storage infrastructure.
If you think that there's anything exciting to see as the data passes through the box, you'd be disappointed. In fact try finding CryptoStor within the Fibre Channel (FC) network or backup application and you may just hit a small snag - it's nowhere to be seen. But that's the point.

Famatech's Remote Administrator provides a simple, uncomplicated remote control and file transfer facility between Windows systems.

This product concentrates on hard disk data encryption. However , it does include a VPN client integration for IPCrytor VPN gateways, which is a remote access solution. Encryption may be in relation to your own local hard drive, or a specific directory or folder on the corporate LAN.

StealthWatch employs a completely different approach to traditional IDS, based on signature recognition. Instead of looking for signatures, it 'learns' what kind of activity is normal on your network and looks for abnormal events. Behavior-based IDS has some advantages over signature-based IDS, because less processing power is required and previously unknown attacks can be detected.

One of the biggest problems with internet security is that you can end up blocking sites which employees may have a perfectly valid reason for visiting - 'breast' blocking cancer sites, for example.

Last year we looked at the LapLink Gold solution, which has continued to improve over the years. This year is no exception. Now integrating three products into one to deliver LapLink Everywhere DELUXE, LapLink, Inc. is determined to improve remote access capabilities for the user without compromising on security.

With the first product in this suite you can access your PC from anywhere using a web browser to retrieve email, files or folders. LapLink Everywhere is a service that is provided for one year after purchase as a part of the LapLink Everywhere DELUXE suite.

GemSafe Logon is intended for the individual computer. It is self-contained, but with an administrative twist. Access policies are set up centrally by an administrator who creates a configuration file for the individual smartcards and distributes it to users. This is practical for smaller installations but perhaps not for large, distributed enterprises.

First there was Sniffer, Network Associates' traffic capture and analysis tool, which rapidly carved itself a position as the tool of choice for network engineers of all kinds. Then there was Sniffer Wireless, bringing the capabilities of the Sniffer engine to 802.11 wireless networks, a logical extension to the Sniffer brand which already supported a range of environments including LANs, remote networks and telecom networks. Now we have Sniffer Wireless PDA, porting that wireless analysis suite to a handheld platform, targeting network managers and security professionals with an overriding need for portability.

If you are looking for a little more than simple content filtering, it is worth taking a look at WebWasher. Aimed at the medium to large business, it provides extensive content filtering and a number of other valuable features.

We've looked at PoliVec Builder in the past, a policy development tool from the same stable. Part of the PoliVec suite, PoliVec Enforcer integrates seamlessly with its policy development tool counterpart to keep the enterprise secure.

Therefore, policy can be locked down to stop system changes and policy non-compliance from weakening the protected network infrastructure. Extensive reporting enables a precise picture of your network and real-time monitoring ensures that notification of problems can be dealt with in a timely fashion.

Policy enforcement is only as good as your management system allows, so a serious vulnerability could go unnoticed without prior knowledge of the problem.

Security Expressions allows deployment using no-agent technology to ensure that, once installed on either Windows NT or 2000 systems, the administrator can add machines within a group, that are required to adhere to the policies that pertain to that group.

Cobion's OrangeBox Web is a very similar product to DynaComm i:filter. Designed to integrate with a proxy server (for example, Microsoft ISA on Windows 2000/XP), it is also happy to sit on a number of popular Linux and Unix platforms. It can also be used as a proxy server in its own right if you have a small or medium-sized intranet network.

NetIQ MailMarshal was the sleeper hit of the recent email security Group Test. Can this New Zealand-based software development center make it two in a row with its WebMarshal browser control? The answer is a resounding yes.

One very important area of email security is encryption. Unless you are using leased lines or virtual private networks (VPNs) to transmit information, the moment an email leaves your firewall it is at the mercy of the internet. Emails can be intercepted and read without your even knowing about it, which poses a terrible risk for corporate information. However, encrypting the email does give you a high degree of ­ reassurance.

PC Guardian provides a nifty little program called Encryption Plus Email that allows you to encrypt email body text and any attachments. The email product is very easy to install - full installation of the administration program takes less than a minute. The product is designed for individual use, so the administrator installs it on each workstation, then configures it centrally and rolls out the user files across the network. Encryption Plus Email is only available for Lotus Notes and Microsoft Outlook, but since these two cover a large proportion of companies this shouldn't be a problem.